🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`resolver5.sendio.ctmail.com`

CNAME	`resolver.1.geo.ctmail.com`
CNAME	`globalasres.data443.ai`
DNSSEC	⚠️ Not signed
A	216.163.190.11^{🇺🇸 TierPoint216.163.190.0/24 Data443}
		PTR	`host-216-163-190-11.data443.io`

`sendio.ctmail.com`

DNSSEC

⚠️ Not signed

Previous names

Next names

DNS History

4 records (1 active, 3 former)

○NSns1.ctmail.com2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:29:04
○ 2026-10-16 04:10:36
○ 2026-10-18 21:58:12

○A216.163.188.452016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:29:04
○ 2026-10-16 04:10:36
○ 2026-10-18 21:58:12

●CNAMEresolver.1.geo.ctmail.com2026-10-16 → 2026-10-18 · 3 obs

○ 2016-12-28 20:29:04
● 2026-10-16 04:10:36
● 2026-10-18 21:58:12

○CNAMEresolver.5.geo.ctmail.com2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:29:04
○ 2026-10-16 04:10:36
○ 2026-10-18 21:58:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctmail.com	dns51.cloudns.net, dns52.cloudns.net, dns53.cloudns.net, dns54.cloudns.net	-

✅ Authoritative Response

Server:185.136.96.15

NS records: dns51.cloudns.net, dns52.cloudns.net, dns53.cloudns.net, dns54.cloudns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`resolver.1.geo.ctmail.com`

Analysis

IP Addresses

resolver5.sendio.ctmail.com points to a single IP number: 216.163.190.11.

Host names like globalasres.data443.ai are further examples that share IP numbers with resolver5.sendio.ctmail.com.

resolver5.sendio.ctmail.com - robtex.com